Search patents:
Methods and apparatus relating to the formulation and trading of ...
Methods and apparatus relating to the formulation and trading of ...
Filed: January 1st, 1970 [Granted]
Patent Number: US5970479
US 5970479 A. Abstract. Methods and apparatus which deal with the management of risk relating to specified, yet unknown, future events are disclosed.
Flying-machine.
Flying-machine.
Filed: January 1st, 1970 [Granted]
Patent Number: US821393
2: us the dlag o'nal threadsof the cloth form truss systems with the spars and ribs, the threads const ,tuting the diagonal members. A: hem 1s formed at the rear ...
Improvement in fastening pocket-openings
Improvement in fastening pocket-openings
Filed: January 1st, 1970 [Granted]
Patent Number: US139121
139,121. s PatentedMay20,1873. a 1 v \1 I Inventor \Vitnesses AM, FHOTD- UTHOGRAPHIC c0v 1w (osaonws's PROCESS} UNITED STATES PATENT OFFICE.
Secret communication system
Secret communication system
Filed: January 1st, 1970 [Granted]
Patent Number: US2292387
Secret communication system. US 2292387 A. Abstract ..... Inst Tech, Physical amount detection device. * Cited by examiner. Classifications. U.S. Classification  ...
Improvement in type-writing machines
Improvement in type-writing machines
Filed: January 1st, 1970 [Granted]
Patent Number: US79265
Description (OCR text may contain errors). UNITED STATES lPATENT OFFICE. C . LATHAM' SIIOLES, CARLOS GLIDDEN, AND SAMUEL lV. SOULE, OF MIL:-.
Classifying apparatus and method
Classifying apparatus and method
Filed: January 1st, 1970 [Granted]
Patent Number: US2612994
... apparatus and method. US 2612994 A ..... UNITED STATES PATENTS Number Name Date 1,985,035 Kermode Dec. 18, 1934 2,020,925 Young Nov.
Method of and apparatus for controlling mechanism of moving ...
Method of and apparatus for controlling mechanism of moving ...
Filed: January 1st, 1970 [Granted]
Patent Number: US613809
Application filed Jul 1,1898. Serial No. 684,934. (No model.) To all whom, it may concern: Be it known that I, NIKOLA TESLA, a citizen of the United States, ...
Process of silencing sound oscillations
Process of silencing sound oscillations
Filed: January 1st, 1970 [Granted]
Patent Number: US2043416
Patented June 9, 1936 PROCESS OF SILENCING SOUND OSCILLA TIONS Paul Lueg, Kirchstrasse, Germany Application March 8, 1934, Serial No. 714,582 In ...