Christopher E. Schafer — 18 Patents at Schafer Systems

Christopher E. Schafer has been granted 18 US patents while listed as an inventor at Schafer Systems. The first was granted in 1986 and the most recent in June 2014. Christopher E. Schafer ranks #245,716 of 4,157,543 US inventors in our database (top 5.9%). Patent records list Christopher E. Schafer in Greenfield, IA, US.

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #	Title	Co-Inventors	Date
8746746	Nestable connector	Charlie J. Schafer	2014-06-10
8127789	Fluid retaining apparatus with ball valve	Rodney M. Ramsey	2012-03-06
7942606	Groundwater control system with automatic water flow regulator	—	2011-05-17
6302292	Ticket counting dispenser	Ryan B. Gruhn, Philip R. Littler, Tim Caltrider, Glenn Miller, Ryan P. Littler +2 more	2001-10-16
6230926	Ticket counting dispenser with ticket dispensing assembly	Ryan B. Gruhn	2001-05-15
6073572	Floating dock	Ryan B. Gruhn, Michael E. Irlmeier, Philip R. Littler, Kurt L. McCuen, Steve Irlmeier, deceased	2000-06-13
5868277	Ticket dispenser base assembly	—	1999-02-09
D378507	Boat	Betty L. Schafer	1997-03-18
5492398	Dual modular hinged access display and dispensing structure	—	1996-02-20
5399005	Stackable locking display and dispensing structure	—	1995-03-21
D329877	Lottery ticket dispenser	—	1992-09-29
5111939	Self-supporting stacked display and dispenser structure	—	1992-05-12
5100038	Ticket dispensing structure	—	1992-03-31
D319264	Ticket dispenser	—	1991-08-20
4995507	Ticket dispensing structure	—	1991-02-26
4858806	Ticket display and dispenser	—	1989-08-22
4821642	Hand operated ticket printer	—	1989-04-18
4621945	Head control stand	William Schafer, Charles J. Schafer	1986-11-11

Christopher E. Schafer — 18 Patents

Issued Patents All Time

Patent Widget