Invention Grant
- Patent Title: Tensioned projection screen apparatus
- Patent Title (中): 张紧投影屏幕装置
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Application No.: US12115351Application Date: 2008-05-05
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Publication No.: US07808702B1Publication Date: 2010-10-05
- Inventor: Kenneth M. Risher
- Applicant: Kenneth M. Risher
- Applicant Address: US IN Spiceland
- Assignee: Draper, Inc.
- Current Assignee: Draper, Inc.
- Current Assignee Address: US IN Spiceland
- Agency: Baker & Daniels LLP
- Main IPC: G03B21/56
- IPC: G03B21/56
Abstract:
A projection screen apparatus is disclosed for displaying an image projected by a projector. The projection screen apparatus includes a frame and a screen. The frame includes a plurality of frame members and corner members.
Information query
