Peter Biffar — 8 Patents at Unknown

Peter Biffar has been granted 8 US patents while listed as an inventor at Unknown. The first was granted in 1999 and the most recent in January 2011. Peter Biffar ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Peter Biffar in Palo Alto, CA, US.

Patents per Year

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Showing 1–8 of 8 patents

Patent #	Title	Co-Inventors	Date
7873524	Method and apparatus for monitoring and responding to land use activities	Robert Wenzlau	2011-01-18
7831440	Method and apparatus for monitoring and responding to land use activities	Robert Wenzlau	2010-11-09
7747450	Method and apparatus for monitoring and responding to land use activities	Robert Wenzlau	2010-06-29
7187278	Rule based proximity and time based tracking system	—	2007-03-06
6397212	Self-learning and self-personalizing knowledge search engine that delivers holistic results	—	2002-05-28
6205435	Self-contained payment system with circulating digital vouchers	—	2001-03-20
6047269	Self-contained payment system with circulating digital vouchers	—	2000-04-04
5903880	Self-contained payment system with circulating digital vouchers	—	1999-05-11

Peter Biffar — 8 Patents

Patents per Year

Issued Patents All Time

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